Year 2 organic synthesis multiple choice questions

Year 2 Organic Synthesis

Total marks:0 / 14

1 of 14

Pentanenitrile can be made by reaction of 1-bromobutane with potassium cyanide.

Which of these is the correct name for the mechanism of this reaction?

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2 of 14

A two-step preparation of propylamine is shown.

bromoethane ➔ X ➔ propylamine

What is X?

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3 of 14

Which reaction may be used to make a carboxylic acid in a single step?

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4 of 14

Energy is released in the human body by the oxidation of glucose in a complex sequence of reactions. Part of this sequence is the Krebs cycle.

One reaction in the Krebs cycle is the conversion of fumaric acid into malic acid.

HO₂CCH=CHCO₂H ➔ HO₂CCH(OH)CH₂CO₂H

fumaric acid malic acid

Which reagents could achieve this transformation in the laboratory?

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5 of 14

The compound ‘leaf alcohol’ is partly responsible for the smell of new-mown grass.

CH₃CH₂CH=CHCH₂CH₂OH

leaf alcohol

What will be formed when ‘leaf alcohol’ is oxidised using an excess of hot, acidified K₂Cr₂O₇(aq)?

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6 of 14

Which pair of reagents will take part in a redox reaction?

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7 of 14

Which compound could be formed by a one-step reaction from 1-chloropropane?

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8 of 14

Which statement about the reactions of methanol is correct?

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9 of 14

Which substance cannotbe made in a single step from C₂H₄?

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10 of 14

Which of these reagent(s) will not react with HOCH₂CH₂CH₂COOH?

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11 of 14

Which compound does not react with nucleophiles?

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12 of 14

Which is the mechanism for this conversion?

Diagram showing the mechanism for converting a methyl group to a chloromethyl group on a benzene ring.

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13 of 14

Which reaction involves addition-elimination?

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14 of 14

Butan-1-ol can be made by reaction of 1-bromobutane with aqueous sodium hydroxide.

Which of these is the correct name for the mechanism of this reaction?

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